Baby-jumper



UNITED STNrnsN PATENT OFFICEci VILLIAM RANSVEILER, OF AKRON, OHIO.

BABY-JUMPER.

SPECIFICATION forming part of Letters Patent No. 375,096. dated December20, 1887.

Application filed April 1887. Serial No. 234,140. (No model.)

To @ZZ whom, it may concern:

Be it known that l, WILLIAM RANswnrLnR, a citizen of the United States,residing at Akron, in the county of Summit and State of Ohio,haveinvented certain new and useful Improvements in Baby-Jumpers; and Ido hereby declare the following to be a full, clear, and exactdescription of theinvention, such as will enable others skilled in theart to which it appertains to make and use the same.

The object of my invention is to provide a cheap, strong, and durablebabyjumper which can be easily adjusted to suit a reclining or sittingposition, so that the occupant can be made to sit upright orto liedown'full length; and a further object is to so construct the devicethat it can be easily knocked down and packed in a very small space forshipping purposes.

To this end my invention consists in the peculiar construction andcombinations of parts more fully described hereinafter, and pointed outin the claims.

Referring to the accompanying drawings, Figure l represents aperspective view-of my complete device; Fig. 2, a view showing thedevice knocked down and ready for shipment, and Fig. 3 a detail view ofthe back and adjustingclamps.

The let-ter a represents the seat of the chair, having upon either sidethereof a pair of longitudinal side bars, b, connected together bylateral girders c, upon which the seat c rests. The armrests d aresupported upon transverse spokes e, the opposite ends cf which areremovably fit-ted within the sockets f, and the sides thus formed arerigidly bound together by stay-rods g, which pass transversely through vthe front and rear ends of the arm-rests and side bars. The upper endsof these stay-rods are provided with eyes h, adapted to receive thesupporting-ropes i.

The adjustable back consists of a board or suitablebearing-piece, j,held between the free ends 0f the pivoted arms K by means of the screwsZ and flanges m. In order to hold the back at any desired angle,Iprovide each arm with apair of clamping-disks, N N. The disk N is madeintegral with the pivoted end of the arms K and surrounds the head ofthe pivot O, which head is countersunk in the outer face of the disk N,and the opposite engaging-face of this disk is provided with auembossment, p, which fits within a corresponding depression in theopposite engaging-face of the stationary disk N', and this disk isrigidly secured to one of the rear spokes, c, by means of atransverseconcavity, q, within which the spoke fits, andis thereby'prevented fromturning with the opposite disk, N, during the adjusting operation. Thepivot O passes transverselythrough the center of both the disks N N andspoke c, the end which projects beyond the spoke being provided with athumbnut, e', by means of which the disks are clamped and unclarnped. Apiece of flexible material, fr, is stretched across the back between theback-piece j and seat a to form a soft support.

for the lower part of the childs back.

s is a pivoted foot-rest, rigidly secured to a roclrshaft, t, journaledin sockets or bearings t in the ends of the side bars, b, and it is heldin raised adjustment by means of cords U, fastened to the eyes 7L of theforward stay-rods, g, and the free end of the foot-rest. Besidessupporting the rest, these cords also assist in keeping the child fromfalling out, and a hinged foot-board, V, which projects upward from thefree end of the foot-rest, still further serves to keep the child withinthe jumper. l

The suspending-ropes i each consists of a single continuous piece, eachserving to support one side of the chair. The manner in which I preferto arrange these ropes so that their length may be varied as occasiondemands may be described as follows: One end of the rope is first madelfast to the ring W. The rope then extends down through the eye h of thestay-rod g, thence upward through the same ring, around which it isgiven one wrap, and on through an eye in one end of the swivelarm y, towhich it is -fastened by'a slip-moose. From this point it passes downthrough another ring, W, and is given one wrap around this ring like theother, and it then passes on down through the eye of the stay-bolt andup back to the ring, to which it is fastened. The arm y is swiveled tothe lower end of the coi1 spring Z by the swivel y', by means of whichthe ropes and springl are prevented from twisting. The upper end of thespring Z is provided with a loop, by means of whichit is hung upon anysuitable pendant.

The construction of my device having been ICO set forth, I will nowproceed to describe its operation. When it is desired to have the childkept in a sitting posture, the device is placed in the adjustment shownin Fig. 1, and in order to adjust the chair so that the child can liedown all that is necessary is to irst loosen the thumbnuts e and theback can be turned down to the position shown in dotted lines. Thefoot-rest is next turned up to an elevated posi.- xo tion and the hooksu?, upon the ends of the cords u, are hooked through the eyes h2 in thefree end of the foot-board, and the same is held up to support the feetof the child. In order to raise or lower the chair it is only necessaryto slide the rings W' W up and down, and they will remain in anyposition in which they are placed, and will be unaffected 'by the weightthrown upon the ropes.

The operation of knocking the chair down 2o preparatory to shippingisperformed bysirn'ply removing the stay-rods, and, as the arm-rests andspokes are only loosely joined together, they can be quickly taken topieces. The back can be turned down upon the top of the' seat, thefoot-board folded down, and the Whole de` vice compactly placed in asmall space, as shown in Fig. 2, so that the cost of shipment will begreatly reduced.

I do not herein broadly claim a combined 3o Swing,` consisting ofastationary seat, swinging back, sliding board, supporting-cords,swivel, and spring; but

What I do claim as new, and desire tosccure by Letters Patent, is-

1. Ina baby-jumper, a back provided with pivoted arms having disks castintegral therewith and surrounding the pivot, said disks being providedwith an embossment, in conlbination with a stationary disk provided withan engaging-face having a depression upon one side within which saidembossment is adapted to fit, and a transverse concavity upon itsopposite side adapted to partially embrace a rod orvspoke7 and a. pivotprovided with a threaded end and nut, all combined and adapted tooperate as describedl 2. The combination of the stationary seat, thelateral girders supporting said seat and connecting the side bars, thearm-rests, the spokes connecting said side bars and armrests, and havingtheir ends loosely fitted in their sockets, the stay-rods adapted toremovably hold the arm-rests and side bars in position, the hingedfoot-rest, the adjustable back pivoted to the side frames of the seat,55 the pivots being surrounded by clamps, whereby the back is held atthe desired angle, andthe adjustable supporting-ropes, all arranged andadapted to operate substantially as described. 6c

In testimony whereofl affix my signature in presence of two witnesses.

VILLTAM RANS\VE[LER.

Vitnesses:

NOAH It. Srmnnn, Louis S. Swnrrznn.

